[perl #125769] Failure bound to variable, as result of if statement, sinks and throws

[Larry Wall via RT]

Minimal test case:

{ my $f := Failure.new("bar"); }

This doesn't seem to be sink related, at least not directly.  It seems more to 
be related to the difference between storing things in a local vs in a lexical, 
and how those are treated on statement or return boundaries.